H15 - Outdoor compressor temperature sensor abnormality

What does H15 mean?

The sensor measuring the outdoor compressor's temperature is reporting an error. The system will stop operation after 5 seconds of this condition.

• Compressor temperature sensor is defective
• Compressor temperature sensor is disconnected

Click steps to track your progress.

1. 1

   Ensure the compressor temperature sensor is properly connected.

2. 2

   Check the compressor temperature sensor for any signs of damage.

3. 3

   Replace the compressor temperature sensor if it is found to be defective.

4. 4

   Contact a qualified installer or service technician if the issue persists.